LG FMN0760NL Service Manual page 20

7. Heating Mode Operation
The unit will operate according to the setting by the remote controller and the operation diagram is shown as
following.
• For Heating Model
Indoor piping temp.
28°C
26°C
Intake Air temp.
Setting temp. +3.0˚C
(Compressor OFF)
Setting temp.
(Compressor ON)
COMPRESSOR
OUTDOOR FAN
INDOOR FAN
4-WAY VALVE
8. Hot-Start Control
• The indoor fan stops until the evaporator piping temperature will be reached to 28℃.
• During heating operation, if piping temperatures falls below 26°C fan stops.
• The operation diagram is as following.
PIPING
TEMPERATURE
INDOOR FAN
COMPRESSOR
minimum
1min.
ON
ON
Fan Low Selected
Low Fan
Stops Fan Fan
28°C
(22˚C)
26°C
(20˚C)
: Selected Fan : Low Fan
minimum
minimum minimum
3min.
OFF ON
OFF ON
Selected Fan
ON
1min
ON
: Fan Stop
–20–
30sec.
3min.
OFF
OFF
Low Fan Fan Stop
minimum
1min.
ON
ON
Low Selected
Fan Fan